1,000+ Electrical Transformers (7.2–34.5 kV, 25–3000 kVA) — UL Evaluated, Certificate of Compliance Available — In Stock & Ready to Ship from Houston, CA & Florida. Contact Us Today!
| Primary Voltage Ratings | Up to 44 kV |
|---|---|
| Secondary Voltage Ratings | 12.47kV, 2.4kV, 240, 480V, 600V, etc. |
| CONNECTION TYPE | Dy11y11, Dyn1, YNd1, YNyn0 |
| D_TYPE | Substation |
| BIL | 30-125kV |
| Standards | CSA C88, IEEE C57 |
| Application | Distribution system |
| Power Rating | 4000kVA, 4MVA |
| Certificate | CSA, cUL, UL |
Primary Voltage Ratings: Up to 44 kV
Secondary Voltage Ratings: 600V/480V/240/2.4kV/12.47kV,etc.
CONNECTION TYPE: Dyn1,YNd1,Dy11y11,YNyn0
TYPE: Substation
BIL: 30-125kV
Standards: CSA C88, IEEE C57
Application: Distribution system
Power Rating: 4000kVA/ 4MVA
Certificate: UL, cUL, CSA
Daelim Transformer’s 4000 kVA (4 MVA) substation transformer offers low discharge, low loss, low noise, and high reliability. Flexible core/coil construction meets dimensional requirements. Customizable with cover-mounted or side-mounted bushings. Complies with UL/cUL, CSA standards, and third-party test reports. At Daelim Transformer, we understand that every project comes with unique requirements. That’s why we offer customizable transformers, allowing you to adjust voltage, capacity, and parameters to perfectly align with your needs.
Daelim Transformer is a professional manufacturer of transformers with extensive project experience in North America. Our team is proficient in IEEE, CSA, DOE, NEMA, and other standards, as well as local laws and regulations. We export thousands of transformers to North America every year. Daelim’s UL-listed transformers are up to 44kV, making us the transformer manufacturer with the most UL certificates in China.
| 4000 kVA (4 MVA) Substation Transformer Specifications | |||
| Standard | CSA C88 | Width(mm) | 2250 |
| Method | ONAN/ONAF | Length(mm) | 2850 |
| Power rating | 3000/4000kVA | Height(mm) | 1980 |
| Winding material | ALUMINIUM | Oil weight | 1370KG |
| No. OF TAP POSITION | 5 | Total weight | 6600KG |
| Vector Group | Dyn1 | Efficiency | 99.37% |
| HV | 25000V | Impedance | 5.75% |
| LV | 600V | Color | ANSI Grey 70 |
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Contact Daelim Transformer for special requirements
The SFL-3000(4000)/25/0.6 transformer is designed according to the CSA C88 and c802.3 standards, which is a recognized CSA standard for transformers. The transformer is intended for use in the Canadian market and holds a cUL(CSA) certificate, indicating compliance with safety standards in Canada.
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The substation transformer has a primary voltage of 25kV and a secondary voltage of 600V. It has a capacity of 3000 kVA for ONAN (Oil Natural Air Natural Cooling) cooling and 4000 kVA for ONAF (Oil Natural Air Forced) cooling. The Dyn1 connection group specifies the winding connections of the transformer, and the outlet structure is designed for high and low voltage side-mounting.
The transformer features a sealed cover for protection and safety. It uses regular mineral oil (45#) as the insulating liquid. The cooling method employed is ONAN/ONAF, combining natural cooling with forced air cooling based on operating conditions.
The conductor material for the high voltage (HV) winding and low voltage (LV) winding is aluminum. The transformer will be filled with Type II mineral oil containing less than 2 ppm PCB. The liquid level at 25℃ is 270 mm below the top of the highest manhole flange, with a 10 mm change per 10℃ change in average liquid temperature.
The transformer tank is designed to withstand complete vacuum and internal pressure of 7 psi. It must not be energized from any voltage source when de-energized tap changers are operated. The transformer is designed for operation between pressure limits of 10 psi positive and 8 psi negative. It meets the energy efficiency requirements of CAN/CSA-C802.3 and is built to CSAC88 standards.
The SL-4000-33(13.2)-0.6 is a dual high voltage transformer with voltage levels of 33kV and 13.2kV. It features a dual voltage switch and five adjustable voltage gears. The cooling method is ONAN, and its capacity is 4000kVA. The high and low voltage windings are made of aluminum. The low voltage is 600Y/347V, and the connection group is Dyn11.
Specifications:
The SL-4000 (5333)-25-0.6 is a sidewall-mounted bushing transformer designed to meet CSA standards for use in the Canadian market. It has a power rating of 4000kVA for self-cooling (ONAN) and 5333kVA for air-cooling (ONAF). The HV bushing is rated at 25kV and 208A with a spade 4 Hole configuration, while the LV bushing has 10 holes. The transformer includes two sets of fans for cooling.
Transformer technical data specifications
| Standard | CSA C88 | Width(mm) | 2260 |
| Method | ALUMINIUM | Length(mm) | 2950 |
| Power rating | 4000/5333kVA | Height(mm) | 2200 |
| Vector Group | Dyn1 | Efficiency | 99.40% |
| HV | 25000V | Impedance | 5.75% |
| LV | 600V | Color | ANSI Grey 70 |
| Oil weight | 1590KG | Winding material | ALUMINIUM |
| Total weight | 7600KG | No. OF TAP POSITION | 5 |
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